Lakes / Oregon / Lane County / Cottage Grove Lake
Cottage Grove Lake, Oregon
1,076 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oregon
43.70 degrees N, 123.07 degrees W - Lane County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Cottage Grove Lake Stacks Up
- Larger than 90% of the 642 lakes counted in Oregon.
- About 24 miles from Eugene, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Dorena Lake | Lane | 8.6 mi | 1,664 acres |
| Yoncalla Log Pond | Douglas | 13 mi | 37 acres |
| Dexter Reservoir | Lane | 20 mi | 884 acres |
| Lookout Point Lake | Lane | 23 mi | 4,086 acres |
| Fall Creek Lake | Lane | 24 mi | 1,766 acres |
| North Douglas Log Ponds | Douglas | 26 mi | 31 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Cottage Grove Lake
How Big Is Cottage Grove Lake?
Cottage Grove Lake covers 1,076 acres in Lane County, Oregon.
What Is the Largest Lake in Lane County?
Fern Ridge Lake is the largest lake in Lane County, at 6,581 acres.
Largest Lakes in Oregon
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Upper Klamath Lake | Klamath | 62,095 acres | - |
| 2 | Lake Umatilla | Morrow | 50,042 acres | - |
| 3 | Lake Abert | Lake | 37,137 acres | - |
| 4 | Summer Lake | Lake | 31,602 acres | - |
| 5 | Harney Lake | Harney | 31,290 acres | - |
All 642 Oregon lakes ranked by surface area
Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 144453286). Verified October 30, 2026.